28875104 has 12 divisors (see below), whose sum is σ = 56847924. Its totient is φ = 14437536.

The previous prime is 28875103. The next prime is 28875107. The reversal of 28875104 is 40157882.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28875103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451142 + ... + 451205.

It is an arithmetic number, because the mean of its divisors is an integer number (4737327).

Almost surely, 2^28875104 is an apocalyptic number.

It is an amenable number.

28875104 is a deficient number, since it is larger than the sum of its proper divisors (27972820).

28875104 is an equidigital number, since it uses as much as digits as its factorization.

28875104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902357 (or 902349 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 28875104 is about 5373.5559920782. Note that the first 3 decimals coincide. The cubic root of 28875104 is about 306.7899903073.

The spelling of 28875104 in words is "twenty-eight million, eight hundred seventy-five thousand, one hundred four".